Invidia Q300 Catback Exhaust Civic Si Sedan (2012-2014) Scion The core is equipped with

The core is equipped with a strategic fin design that promotes substantial heat exchange while providing minimal pressure loss across the core

If desired you can even set one side at the "hardest" position and set the other side at the "softest" position to achieve your desired effects

The intake provides gains in horsepower and torque across the entire rev range

which are not included with the wheel

02-03 Spring Rates: F: 3

Invidia Q300 Catback Exhaust Civic Si Sedan (2012-2014) Scion The core is equipped withThe Invidia Q300 catback exhaust system for the Honda Civic Si sounds as good as it looks. The Q300 features mandrel bent 70mm stainless steel piping and a free flowing oval style sport muffler to provide better exhaust flow for improved performance. Bolting up a Q300 to your K20 will allow your Si's sonorous exhaust note to come through loud and clear when you want it to, without producing harsh or overly loud overtones; the perfect choice for those